Martha Brigham Barnes was born 9 September 1739 in Marlborough, Middlesex County, Massachusetts to Joseph Brigham (1706-1786) and Comfort Bigelow (1707-1755) and died 22 May 1769 Marlborough, Middlesex County, Massachusetts of unspecified causes. She married Daniel Barnes (1736-1813) 20 January 1763 in Marlborough, Middlesex County, Massachusetts.
Children
| Name | Birth | Death | Joined with |
| John Barnes (1763-1834) | 6 November 1763 Marlborough, Middlesex County, Massachusetts | 12 September 1834 Chelsea, Orange County, Vermont | Sarah Howe (1766-1844) |
| Martha Barnes (1766-1839) | |||
Siblings
| Name | Birth | Death | Joined with |
| Mehitabel Brigham (1725-1749) | |||
| Sarah Brigham (1731-) | |||
| Lavina Brigham (1733-1784) | |||
| Joseph Brigham (1735-1742) | |||
| Comfort Brigham (1737-1742) | |||
| Martha Brigham (1739-1769) | 9 September 1739 Marlborough, Middlesex County, Massachusetts | 22 May 1769 Marlborough, Middlesex County, Massachusetts | Daniel Barnes (1736-1813) |
| Stephen Brigham (1741-1764) | |||
| Comfort Brigham (1745-1771) | |||
| Joseph Brigham (1747-1810) | |||
| Jonah Brigham (1747-1827) | |||
| Lucy Brigham (1752-) | |||